Boyles Avenue in New Castle, Pennsylvania, is part of the North Hill Historic District, which developed primarily between 1870 and 1949. This area was known for being the residence of many executives from New Castle’s steel, tin, and iron industries, reflecting the city’s industrial prosperity during that period. Several notable historic homes and institutional buildings, including the Scottish Rite Cathedral, are located within or near Boyles Avenue, contributing to the value of the district.